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was：were(改was为were)。group是集合名词。在集合名词作主语时，谓语动词有两种情况：当集合名词表示整体......

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The example given in the third paragraph is mainly used to show______.
A．western Europe is spending more money than America in certain fields
B．Europeans are making more discoveries than Americans in retain fields
C．European scientists are more intelligent than American scientists
D．America’s scientific leadership is being replaced by European countries
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What will happen at the end of the show
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B．Linda will discuss building a green house.
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D．Linda will invite her friends to her house.
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